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mooguy
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Homework Statement
The 1.0 kg block in the figure is tied to the wall with a rope. It sits on top of the 2.0 kg block. The lower block is pulled to the right with a tension force of 20 N. The coefficient of kinetic friction at both the lower and upper surfaces of the 2.0 kg block is μk = 0.300.
What is the tension in the rope holding the 1.0 kg block to the wall?
Homework Equations
f=ma
F(friction force) = μ*m*g
The Attempt at a Solution
Here is the full diagram
I drew out a force body diagram that looks like this for just the first block(I think this is right)
Although I'm still confused as to why is it that the tension force and the friction force are the same. I thought tension and friction are completely different forces and how do I know when to associate forces to tension
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